Launch your emulator (e.g., Yuzu or Ryujinx).
Inside the extracted folder, look for the main game file. It will typically have an extension of: AtelierRyzav0NSP-xcinspdotcom.zip
.nsp (Nintendo Switch Project - Used for emulator installation). .nsz (Compressed Switch file). .exe (Windows executable). If you are playing this via a Nintendo Switch emulator: Launch your emulator (e